iP or domain name lookup

wordmemo.sinaapp.com Server iP：

Current resolution：

domain resolution record：

2024-03-06-----2024-03-06 220.181.168.38

2022-03-01-----2023-02-07 220.181.129.30

2019-07-17-----2020-07-02 220.181.136.174

2020-05-15-----2020-05-15 220.181.136.150

2017-12-09-----2018-01-17 202.108.35.225

2017-12-09-----2018-01-17 202.108.35.224

2017-12-09-----2018-01-17 220.181.136.154

2017-12-09-----2018-01-17 220.181.136.153

2017-09-05-----2017-09-05 202.108.35.235

2017-09-05-----2017-09-05 202.108.35.250